<?php
namespace app\admin\service\interface;
interface NavService{
    public function navAdd();
    public function list();
    public function navRemove();
    public function navUpdate();
    public function groupAdd();
    public function groupRemove();
    public function groupUpdate();
    public function moveNav(int $nav_id,int $group_id);
    public function buildCacheData():array;
}